—Sorry，Mum, I lost my key to the bicycle again．

    —Oh! How_____ you be so careless! You have to learn to look after your belongings．

    A．can     B．may       C．will    D．dare

-----What _____?

-----I______my key and can't open the door.

A. happened, lost         B. has happened, lost    

C. happens, have lost     D. has happened, have lost

根据所给汉语提示完成句子

1.如果你们想购买我们的产品，必须提前预定。

If you want to buy our products, you must order them _________ _________.

2.在2008年汶川发生了大地震，导致8万人死亡。

In 2008, a heavy earthquake happened in Wenchuan, _________ _________ 80,000 deaths.

3.请耐心等待。我们公司已安排修理工去修理你的洗衣机了。

Please wait patiently. Our company has _________ _________ a repairman to repair your washing machine.

4.我正要开门，这时突然想起我把钥匙忘在办公室里了。

I was about to unlock the door, when it _________ _________ that I had left my key in the office.

5.我本希望昨天去参加你的婚礼的，但是我突然生病了。

I _________ _________ to attend your wedding yesterday, but I fell ill.

6.每个人都知道钓鱼岛属于中国。

Everyone knows clearly that Diaoyu Island __________  __________China

7.一到英国，我就发现那里的学校生活完全不一样。

________        in the UK, I found school life there was quite different

8.妈妈喜欢吃巧克力，我也喜欢。

My mother likes eating chocolate and ________ ________ ________.

9.已经上课一分钟了，但老师还没出现。

Class is to begin in a minute, but the teacher still hasn’t______ ________.

10.我总是随身带把伞上班，只是以防下雨。

I always take an umbrella to work, just _____ _______ it rains.

-----Where is my key? I remember I put it here yesterday.

 --------You ______  it in the wrong place.

   A. must put   B. should have placed   C. might put  D. might have put

It ______ me all of a sudden that I had left my key to the car in the office.

A．thought           B．struck            C．happened         D．occurred